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We consider a class of inhomogeneous self-similar cosmological models in which the perfect fluid flow is tangential to the orbits of a three-parameter similarity group. We restrict the similarity group to possess both an Abelian $G_{2}$, and a single
Externí odkaz:
http://arxiv.org/abs/2103.16428
Publikováno v:
Classical & Quantum Gravity; 8/5/2021, Vol. 38 Issue 15, p1-25, 25p